signalfx/splunk-otel-js-web
Nov 2024 – Oct 2025
12 Months active
Languages Used
BashCSSHTMLJavaScriptMJSMarkdownShellTypeScript
Technical Skills
API DesignBackend DevelopmentBrowser MonitoringBuild AutomationCI/CDChangelog Management
Jozef Harag
PROFILE
Jozef Harag
Over the past year, JH Developer engineered core observability and session management features for the signalfx/splunk-otel-js-web repository, focusing on reliability, browser compatibility, and release discipline. They delivered a new session management system, enhanced error reporting APIs, and background session replay services, using TypeScript and JavaScript to modernize the codebase and streamline CI/CD pipelines. Their work included refactoring for OpenTelemetry Web SDK releases, improving error handling, and introducing performance-oriented architectures that offload resource-intensive tasks. By integrating advanced instrumentation and robust testing frameworks, JH Developer improved data fidelity, reduced operational risk, and enabled maintainable, scalable web monitoring for diverse production environments.
Overall Statistics
Feature vs Bugs
79%Features
Repository Contributions
139Total
Bugs
14
Commits
139
Features
52
Lines of code
285,777
Activity Months12
Your Network
6 people
Work History
October 2025
14 Commits • 6 Features
Oct 1, 2025October 2025: Delivered high-impact OpenTelemetry Web SDK releases, introduced a performance-oriented background session replay architecture, and strengthened runtime robustness. This quarter's work improves stability, browser compatibility, and developer experience while enabling reliable customer integrations and easier maintenance across releases.
14 Commits • 6 Features
Oct 1, 2025October 2025: Delivered high-impact OpenTelemetry Web SDK releases, introduced a performance-oriented background session replay architecture, and strengthened runtime robustness. This quarter's work improves stability, browser compatibility, and developer experience while enabling reliable customer integrations and easier maintenance across releases.
October 2025
September 2025
35 Commits • 16 Features
Sep 1, 2025Monthly summary for 2025-09 focusing on delivered features, bugs fixed, impact, and skills demonstrated for signalfx/splunk-otel-js-web. This period emphasized user session reliability and observability improvements, disciplined release hygiene, and code quality enhancements that collectively reduce risk, accelerate onboarding of upcoming API changes, and strengthen platform stability across browsers and environments.
September 2025
35 Commits • 16 Features
Sep 1, 2025Monthly summary for 2025-09 focusing on delivered features, bugs fixed, impact, and skills demonstrated for signalfx/splunk-otel-js-web. This period emphasized user session reliability and observability improvements, disciplined release hygiene, and code quality enhancements that collectively reduce risk, accelerate onboarding of upcoming API changes, and strengthen platform stability across browsers and environments.
August 2025
7 Commits • 5 Features
Aug 1, 2025In August 2025, the signalfx/splunk-otel-js-web repo focused on delivering a stable alpha release cycle and strengthening runtime reliability. Key features delivered include release version alignment for the alpha rollout across build-plugins, integration-tests, session-recorder, and web packages, and the official v0.23.1-alpha.2 release tracking. Enhancements to error handling reduced noise and overhead, including suppressing tracing during error reporting and improving resource-loading error messages with precise context and a DOM element type guard. The 0.23.1 release was documented and delivered with a new error reporting API, enriched error context, throttling, error transformation, and expanded session recorder options to support masking, asset packing, and capturing canvas/video. A session recorder persistence fix ensured correct segment and metadata storage for accurate replay data. These changes collectively improve release readiness, debuggability, user experience in data collection, and data reliability for replay analytics.
7 Commits • 5 Features
Aug 1, 2025In August 2025, the signalfx/splunk-otel-js-web repo focused on delivering a stable alpha release cycle and strengthening runtime reliability. Key features delivered include release version alignment for the alpha rollout across build-plugins, integration-tests, session-recorder, and web packages, and the official v0.23.1-alpha.2 release tracking. Enhancements to error handling reduced noise and overhead, including suppressing tracing during error reporting and improving resource-loading error messages with precise context and a DOM element type guard. The 0.23.1 release was documented and delivered with a new error reporting API, enriched error context, throttling, error transformation, and expanded session recorder options to support masking, asset packing, and capturing canvas/video. A session recorder persistence fix ensured correct segment and metadata storage for accurate replay data. These changes collectively improve release readiness, debuggability, user experience in data collection, and data reliability for replay analytics.
August 2025
July 2025
13 Commits • 2 Features
Jul 1, 2025July 2025 monthly summary for signalfx/splunk-otel-js-web. This report highlights the key features delivered, major bugs fixed, overall impact, and the technologies demonstrated, focusing on business value and technical achievement.
July 2025
13 Commits • 2 Features
Jul 1, 2025July 2025 monthly summary for signalfx/splunk-otel-js-web. This report highlights the key features delivered, major bugs fixed, overall impact, and the technologies demonstrated, focusing on business value and technical achievement.
June 2025
13 Commits • 4 Features
Jun 1, 2025June 2025 monthly summary for signalfx/splunk-otel-js-web focused on stability, observability, and release discipline. Key updates include session replay library upgrades with a build-stabilizing CDN URL freeze, formalized versioning across core packaging, a new error reporting API with context propagation, and a major infrastructure refresh (Turborepo adoption, pnpm migration, stricter TypeScript checks, CI/CD enhancements, and link-checker improvements). These changes reduce build flakiness, enable reproducible releases, improve error visibility, and boost developer productivity.
13 Commits • 4 Features
Jun 1, 2025June 2025 monthly summary for signalfx/splunk-otel-js-web focused on stability, observability, and release discipline. Key updates include session replay library upgrades with a build-stabilizing CDN URL freeze, formalized versioning across core packaging, a new error reporting API with context propagation, and a major infrastructure refresh (Turborepo adoption, pnpm migration, stricter TypeScript checks, CI/CD enhancements, and link-checker improvements). These changes reduce build flakiness, enable reproducible releases, improve error visibility, and boost developer productivity.
June 2025
May 2025
10 Commits • 4 Features
May 1, 2025May 2025 monthly summary for signalfx/splunk-otel-js-web. Focused on delivering features, stabilizing the tracing pipeline, and strengthening release/CI efficiency to accelerate business value delivery. Highlights include new observability controls, versioned releases with symbolication support, tracing suppression refinements, and enhanced release tooling and CI scaffolding for future milestones.
May 2025
10 Commits • 4 Features
May 1, 2025May 2025 monthly summary for signalfx/splunk-otel-js-web. Focused on delivering features, stabilizing the tracing pipeline, and strengthening release/CI efficiency to accelerate business value delivery. Highlights include new observability controls, versioned releases with symbolication support, tracing suppression refinements, and enhanced release tooling and CI scaffolding for future milestones.
April 2025
2 Commits
Apr 1, 2025April 2025 — Signalfx/splunk-otel-js-web: Post-release housekeeping for v0.20.4 including version alignment across code, tests, and documentation; updated CHANGELOG and version constants; validated CDNs and tests against the released artifact.
2 Commits
Apr 1, 2025April 2025 — Signalfx/splunk-otel-js-web: Post-release housekeeping for v0.20.4 including version alignment across code, tests, and documentation; updated CHANGELOG and version constants; validated CDNs and tests against the released artifact.
April 2025
March 2025
14 Commits • 3 Features
Mar 1, 2025March 2025 (2025-03) monthly summary for signalfx/splunk-otel-js-web. Focused on reliability, browser compatibility, and developer experience, delivering a production-ready v0.20.0 with robust session management, bot-blocking controls, TypeScript-based example apps, and a modernized CI/CD/testing pipeline. These changes improve user session fidelity, reduce bot-driven noise, accelerate releases, and simplify onboarding for contributors.
March 2025
14 Commits • 3 Features
Mar 1, 2025March 2025 (2025-03) monthly summary for signalfx/splunk-otel-js-web. Focused on reliability, browser compatibility, and developer experience, delivering a production-ready v0.20.0 with robust session management, bot-blocking controls, TypeScript-based example apps, and a modernized CI/CD/testing pipeline. These changes improve user session fidelity, reduce bot-driven noise, accelerate releases, and simplify onboarding for contributors.
February 2025
7 Commits • 3 Features
Feb 1, 2025February 2025 monthly summary for signalfx/splunk-otel-js-web. Focused on delivering core instrumentation for Next.js App Router, improving reliability of observability integration, and strengthening environment setup and maintenance tasks to accelerate onboarding and reduce support friction. The work enhances data quality, reliability, and developer experience for Splunk Observability Cloud integration in Next.js apps.
7 Commits • 3 Features
Feb 1, 2025February 2025 monthly summary for signalfx/splunk-otel-js-web. Focused on delivering core instrumentation for Next.js App Router, improving reliability of observability integration, and strengthening environment setup and maintenance tasks to accelerate onboarding and reduce support friction. The work enhances data quality, reliability, and developer experience for Splunk Observability Cloud integration in Next.js apps.
February 2025
January 2025
7 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for signalfx/splunk-otel-js-web focused on delivering release engineering improvements, session reliability, and documentation hygiene, with a clear demonstration of CI/CD capability and compliance.
January 2025
7 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for signalfx/splunk-otel-js-web focused on delivering release engineering improvements, session reliability, and documentation hygiene, with a clear demonstration of CI/CD capability and compliance.
December 2024
4 Commits • 3 Features
Dec 1, 2024December 2024: Delivered critical features for session management and beta-release readiness, modernized the testing stack, and tightened release processes for faster, more reliable delivery. The work enables safer long-task handling and flexible session persistence (cookie/localStorage), accelerates feedback through beta prereleases, and improves test reliability via Playwright and GitHub Actions.
4 Commits • 3 Features
Dec 1, 2024December 2024: Delivered critical features for session management and beta-release readiness, modernized the testing stack, and tightened release processes for faster, more reliable delivery. The work enables safer long-task handling and flexible session persistence (cookie/localStorage), accelerates feedback through beta prereleases, and improves test reliability via Playwright and GitHub Actions.
December 2024
November 2024
13 Commits • 4 Features
Nov 1, 2024November 2024 (2024-11) monthly summary for signalfx/splunk-otel-js-web. Delivered key features, fixed critical bugs, and advanced CI/CD and tooling to improve observability, reliability, and developer productivity. Highlights include Browser Instance Tracking in RUM spans with per-tab IDs, modernization of linting/formatting and CI tooling, a fix for Session Replay ID increment, 0.19.3 versioning and dependency refresh, and CI/CD build pipeline enhancements. These changes collectively improve per-tab monitoring, debugging capabilities, build reliability, and alignment with the latest release.
November 2024
13 Commits • 4 Features
Nov 1, 2024November 2024 (2024-11) monthly summary for signalfx/splunk-otel-js-web. Delivered key features, fixed critical bugs, and advanced CI/CD and tooling to improve observability, reliability, and developer productivity. Highlights include Browser Instance Tracking in RUM spans with per-tab IDs, modernization of linting/formatting and CI tooling, a fix for Session Replay ID increment, 0.19.3 versioning and dependency refresh, and CI/CD build pipeline enhancements. These changes collectively improve per-tab monitoring, debugging capabilities, build reliability, and alignment with the latest release.
Activity
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Quality Metrics
Correctness92.4%
Maintainability92.4%
Architecture90.2%
Performance86.6%
AI Usage22.6%
Skills & Technologies
Programming Languages
BashCSSHTMLJSONJavaScriptMJSMarkdownShellTypeScriptYAML
Technical Skills
API DesignAPI DevelopmentAPI IntegrationAWS S3Asynchronous ProgrammingBackend DevelopmentBrowser APIsBrowser CompatibilityBrowser MonitoringBrowser TestingBuild AutomationBuild ProcessBuild ToolsCDN ManagementCI/CD
Repositories Contributed To
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